for this growhouse. janine de la vega, ktvu channel 2 news. >>> and to the latest on san francisco muni. it's back up and running after a transformer problem shut down everything for hours. ktvu aalex savidge live at the -- ktvu's alex savidge is live at the van ness station. what do you know? >> reporter: well, right here on market street, i did an interview with the mta spokesperson, he came out here and updated the situation. he says computers who use subway systems can expect a smooth right. all of the issues has been resolved. he tells me all of their trains are running on their regular schedules. let me show you the scene inside the van ness station. all of the trains again moving this morning. there was a shutdown, though, last night. it was about 6:00 when the entire subway system stopped because of a blown transformer at the van ness station. crews had to work throughout the night to fix the problem. and then finally at 1:30 this morning, they had everybody up and running again. with all of the subways out of service. you can imagine it was a major hassle for tens of thousands of commuters.